---
title: "Four/Four MCP server"
url: "https://martechdb.com/vendors/fourfour"
markdown_url: "https://martechdb.com/vendors/fourfour.md"
api_url: "https://martechdb.com/api/v1/vendors/fourfour.ai"
updated: "2026-10-28"
---

# Four/Four MCP server

Yes. Four/Four publishes an official MCP server at https://fourfour.ai/mcp. It's hosted. We last checked it on 6 Nov 2026. MartechDB lists only servers the vendor publishes itself, never community servers.

**Key facts:** As of 6 Nov 2026, Four/Four's official MCP server scores 65/100 (provisional) on MartechDB's Agent Readiness Index (v1.1). It answered 9 of our 9 checks in the last 90 days.

- Website: [fourfour.ai](https://fourfour.ai)
- Categories: [User & market research](https://martechdb.com/categories/user-market-research.md)

## Review

Four/Four's Four/Four MCP scores 65/100 on MartechDB's Agent Readiness Index: easy to connect an AI agent to, with a few gaps.

The good:

- Hosted by Four/Four: connect by URL, with nothing to install
- Documented, with what it can do known
- Answered 100% of our checks in the last 90 days

Not checked yet: how you sign in; what agent access costs.

## Agent Readiness Index: 65/100 (provisional)

How friendly Four/Four is to AI agents, from its best official MCP server. Anything not yet researched scores nothing, so this score may rise once it is. Methodology v1.1: https://martechdb.com/methodology.

- Official MCP server: 30/30 (Published by the vendor)
- Hosted by the vendor: 25/25 (Connect by URL, nothing to install)
- OAuth sign-in: pending (Sign-in: see vendor docs)
- Documented tools: 10/10 (A docs page, and its tools are known)
- Free to start, pay as you go: 0/15 (Not stated by the vendor)

## Four/Four MCP

- Address: https://fourfour.ai/mcp
- Runs: Hosted
- Sign-in: Sign-in: see vendor docs (`unknown`)
- Official MCP Registry: not listed
- Documentation: https://fourfour.ai/developers
- How we know it's official: Documented on Four/Four's own site, at fourfour.ai
- First seen: 2026-10-28
- Last checked: 2026-11-06
- Recent checks: 7 of the last 7 reachable
- Uptime: 100% (9 of 9 checks reachable since 2026-10-29)

### What it can do

Tools: not known by name. The server needs sign-in before it lists them, and the vendor's documentation doesn't name them, so this is what it says the server can do ([source](https://fourfour.ai/developers)), read on 2026-11-06. It may be out of date.

- searching conversations, insights, accounts, and contacts

### Connect it

Claude Code:

```sh
claude mcp add --transport http fourfour https://fourfour.ai/mcp
```

- Add to Cursor: <cursor://anysphere.cursor-deeplink/mcp/install?name=fourfour&config=eyJ1cmwiOiJodHRwczovL2ZvdXJmb3VyLmFpL21jcCJ9>
- Add to VS Code: <vscode:mcp/install?%7B%22name%22%3A%22fourfour%22%2C%22type%22%3A%22http%22%2C%22url%22%3A%22https%3A%2F%2Ffourfour.ai%2Fmcp%22%7D>
- Claude.ai and Claude Desktop: Customize, Connectors, "+", Add custom connector, then paste https://fourfour.ai/mcp
- ChatGPT: Settings, Apps, Advanced settings, turn on Developer mode, Create, then paste https://fourfour.ai/mcp (this usually works only with servers that use self-serve sign-in or none)

JSON for Cursor, Windsurf and other clients that connect to hosted servers:

```json
{
    "mcpServers": {
        "fourfour": {
            "type": "http",
            "url": "https://fourfour.ai/mcp"
        }
    }
}
```

## Questions

### Does Four/Four have an official MCP server?

Yes. Four/Four publishes its MCP server itself. Four/Four's own documentation describes it. MartechDB only lists servers a vendor publishes, never community copies.

### What is the Four/Four MCP server URL?

The address is https://fourfour.ai/mcp.

### How do I connect Four/Four MCP to Claude, ChatGPT or Cursor?

In Claude, add https://fourfour.ai/mcp as a custom connector (Customize, Connectors, Add custom connector). In Cursor, use the Add to Cursor link on MartechDB's page, or paste the JSON settings into your mcp.json. In Claude Code, run: claude mcp add --transport http fourfour https://fourfour.ai/mcp

### Is the Four/Four MCP server in the official MCP Registry?

No. Four/Four hasn't published it to the official MCP Registry.

### Is the Four/Four MCP server working?

Yes. It answered our most recent check. We last checked it on 6 Nov 2026.

### What are the alternatives to Four/Four's MCP server?

In User & market research, the most agent-friendly alternatives with an official MCP server are Condens Supercharge (91/100), CB Insights (85/100), Mintel (85/100), Dovetail (85/100) and Rally (85/100). Four/Four scores 65/100 on the same index.

## Change history

- 2026-10-28: Added to MartechDB with Four/Four MCP

## Alternatives to Four/Four's MCP server

In User & market research, the most agent-friendly first:

- [Condens Supercharge](https://martechdb.com/vendors/condens-supercharge.md) (condens.io), Agent Readiness Index 91/100
- [CB Insights](https://martechdb.com/vendors/cb-insights.md) (cbinsights.com), Agent Readiness Index 85/100
- [Mintel](https://martechdb.com/vendors/mintel.md) (mintel.com), Agent Readiness Index 85/100
- [Dovetail](https://martechdb.com/vendors/dovetail.md) (dovetail.com), Agent Readiness Index 85/100
- [Rally](https://martechdb.com/vendors/rally.md) (rallyuxr.com), Agent Readiness Index 85/100

## Get this data

- API: `curl https://martechdb.com/api/v1/vendors/fourfour.ai`
- MCP: `claude mcp add --transport http martechdb https://martechdb.com/mcp`, then ask about Four/Four.
- Web page: https://martechdb.com/vendors/fourfour
